How to fix ngons overlapping wire edges?
You have a large ngon face over the other faces. The same thing goes for the bottom of the nose and the chin. To fix this delete the large polygon and bridge the edges.


Select the large ngon faces:


Delete the faces only


Use bridge to add new polygons. Or you can fill them one by one using the fill tool: F

   
Do the same for the bottom of the nose and the chin.